.link_button {
    display: inline-block;
    box-sizing: border-box;
    padding: 6px 10px;
    outline: none;
    border: 1px solid #808080;
    border-radius: 4px;
    background-color: #fff;
    color: #999;
    margin-left: 20px;
    margin-top: 20px;
}